我正在尝试在ruby中构建一个相对简单的应用程序。但是,当0
被调用时,我无法让我的对象返回puts obj.to_s
以外的任何内容。我理解代码的质量可能很差(并且不介意任何提示)。
请帮忙!
class Docpart
def Docpart.new(inputAsString,typeAsInteger)
@value = inputAsString
@type = typeAsInteger.to_i # 0 = title, 1 = text, 2 = equation (can't be done yet), 3 = table
end
def Docpart.to_s
return "Type is #{@type}, value is #{@value}"
end
end
module Tests
def Tests.test1()
filetree = Array.new(0)
filetree.push( Docpart.new("Title",0))
filetree.each{|obj| puts obj.to_s}
return filetree[0]
end
end
puts Tests.test1.to_s
gets.chomp
答案 0 :(得分:3)
因为您定义了类方法to_s
而不是实例1。在Ruby中编写构造函数也有一点不同。你需要这样写:
class Docpart
def initialize(inputAsString,typeAsInteger)
@value = inputAsString
@type = typeAsInteger.to_i # 0 = title, 1 = text, 2 = equation (can't be done yet), 3 = table
end
def to_s
"Type is #{@type}, value is #{@value}"
end
end
module Tests
def self.test1
filetree = []
filetree << Docpart.new("Title",0)
filetree.each{ |obj| puts obj.to_s }
filetree[0]
end
end
puts Tests.test1.to_s
gets.chomp
PS阅读任何有关Ruby的书籍以及Githubbers或bbatsov one等任何样式指南。